floor = codesters.Rectangle(0, -230, 600, 40, "black")
player = codesters.Sprite("superhero1")
player.set_size(0.3)
player.go_to(-160, -180)
enemy = codesters.Sprite("zombie1")
enemy.set_size(1)
enemy.go_to(160, -115)
stage.set_gravity(10)
player.set_gravity_on()
enemy.set_gravity_off()